Pioneer Acquisition I Corp
PACH- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002040381
No open-market purchases or sales by Pioneer Acquisition I Corp insiders were filed in the last 90 days; 67 institutions reported holding it in 13F filings for Q2 2026, worth $230.1M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Pioneer Acquisition I Corp as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 67
- +6 vs. Q1 2026
- Shares held
- 22.5M
- +223.6K (+1.0%) vs. Q1 2026
- Total value
- $230.1M
- +$3.96M (+1.8%) vs. Q1 2026
- New holders
- 7
- 7 more added
- Sold out
- 1
- 9 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PACH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 67 | $230.1M |
| Q1 2026 | 61 | $226.2M |
| Q4 2025 | 59 | $218.6M |
| Q3 2025 | 44 | $174.3M |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Pioneer Acquisition I Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Westchester Capital Management, LLC | 1,258,612 | $12.9M | 0.65% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 1,252,350 | $12.8M | 0.01% | 00.0% | Unchanged |
| Glazer Capital, LLC | 1,210,643 | $12.4M | 0.31% | 00.0% | Unchanged |
| Magnetar Financial LLC | 1,000,000 | $10.2M | 0.09% | 00.0% | Unchanged |
| Linden Advisors LP | 1,000,000 | $10.2M | 0.05% | 00.0% | Unchanged |
| CNH Partners LLC | 956,895 | $9.77M | 0.14% | +8,514+0.9% | Added |
| Two Sigma Investments, LP | 797,500 | $8.16M | 0.01% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 788,462 | $8.07M | 0.11% | +85,684+12.2% | Added |
| Wealthspring Capital LLC | 776,258 | $7.94M | 1.77% | −65,250−7.8% | Reduced |
| MMCAP International Inc. SPC | 750,000 | $7.67M | 0.65% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 629,549 | $6.44M | 0.49% | +3020.0% | Added |
| Tenor Capital Management Co., L.P. | 600,000 | $6.14M | 0.09% | 00.0% | Unchanged |
| Karpus Management, Inc. | 551,988 | $5.65M | 0.16% | +50,000+10.0% | Added |
| Verition Fund Management LLC | 525,558 | $5.37M | 0.04% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 500,000 | $5.12M | 0.05% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 500,000 | $5.12M | 0.30% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 500,000 | $5.11M | 0.03% | 00.0% | Unchanged |
| Mangrove Partners | 450,000 | $4.60M | 0.30% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 450,000 | $4.59M | 0.01% | −200,000−30.8% | Reduced |
| Omers Administration Corp | 440,000 | $4.49M | 0.03% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 400,000 | $4.09M | 0.02% | 00.0% | Unchanged |
| Aristeia Capital LLC | 400,000 | $4.09M | 0.06% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 400,000 | $4.09M | 0.07% | 00.0% | Unchanged |
| Mint Tower Capital Management B.V. | 400,000 | $4.09M | 0.48% | 00.0% | Unchanged |
| Jain Global LLC | 386,736 | $3.95M | 0.05% | −113,243−22.6% | Reduced |
| Shaolin Capital Management LLC | 377,218 | $3.86M | 0.22% | −122,782−24.6% | Reduced |
| BNP Paribas Arbitrage, SA | 348,493 | $3.56M | 0.00% | 00.0% | Unchanged |
| Periscope Capital Inc. | 300,000 | $3.07M | 0.49% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 300,000 | $3.07M | 0.05% | 00.0% | Unchanged |
| Millennium Management LLC | 287,700 | $2.94M | 0.00% | +10.0% | Added |
| Meteora Capital, LLC | 272,969 | $2.79M | 0.23% | +272,969 | New |
| Rivernorth Capital Management, LLC | 249,758 | $2.57M | 0.12% | 00.0% | Unchanged |
| Moore Capital Management, LP | 250,000 | $2.56M | 0.06% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 250,000 | $2.55M | 0.05% | 00.0% | Unchanged |
| O'Connor Alternative Investments LLC | 250,000 | $2.55M | 0.19% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 246,000 | $2.51M | 0.01% | 00.0% | Unchanged |
| CSS LLC | 210,988 | $2.16M | 0.10% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 183,497 | $1.85M | 0.02% | +183,497 | New |
| Context Capital Management, LLC | 150,000 | $1.53M | 0.03% | 00.0% | Unchanged |
| TIG Advisors, LLC | 150,000 | $1.53M | 0.07% | 00.0% | Unchanged |
| Berkley W R Corp | 148,726 | $1.52M | 0.07% | 00.0% | Unchanged |
| Clear Street Group Inc. | 139,861 | $1.43M | 0.00% | −9,595−6.4% | Reduced |
| Parallax Volatility Advisers, L.P. | 129,909 | $1.33M | 0.05% | +35,508+37.6% | Added |
| Toronto Dominion Bank | 125,000 | $1.28M | 0.00% | −43,875−26.0% | Reduced |
| Sona Asset Management (US) LLC | 111,059 | $1.14M | 0.04% | 00.0% | Unchanged |
| Lineage Point Capital LP | 106,805 | $1.09M | 0.22% | 00.0% | Unchanged |
| Dakota Wealth Management | 104,100 | $1.06M | 0.02% | 00.0% | Unchanged |
| DLD Asset Management, LP | 102,737 | $1.05M | 0.09% | −25,000−19.6% | Reduced |
| Governors Lane LP | 100,000 | $1.02M | 0.10% | 00.0% | Unchanged |
| Heights Capital Management, Inc | 100,000 | $1.02M | 0.24% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 83,391 | $853.1K | 0.02% | 00.0% | Unchanged |
| Gritstone Asset Management LLC | 69,324 | $709.2K | 0.68% | 00.0% | Unchanged |
| Logan Stone Capital, LLC | 60,737 | $621.3K | 0.13% | +60,737 | New |
| Timelo Investment Management Inc. | 60,000 | $613.8K | 0.77% | 00.0% | Unchanged |
| Centiva Capital, LP | 50,000 | $510.5K | 0.02% | 00.0% | Unchanged |
| Limestone Investment Advisors LP | 48,017 | $491.2K | 0.25% | +48,017 | New |
| Kepos Capital LP | 47,100 | $482.0K | 0.66% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 38,172 | $389.7K | 0.05% | +22,972+151.1% | Added |
| Stoic Point Capital Management LLC | 33,775 | $345.5K | 0.29% | 00.0% | Unchanged |
| Abc Arbitrage SA | 25,000 | $255.8K | 0.03% | 00.0% | Unchanged |
| HRT Financial LP | 24,534 | $250.0K | 0.00% | +24,534 | New |
| L1 Global Manager Pty Ltd | 24,400 | $249.6K | 0.20% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 10,500 | $107.4K | 0.00% | +10,500 | New |
| Virtu Financial LLC | 10,203 | $104.0K | 0.00% | +10,203 | New |
| Deltec Asset Management LLC | 10,000 | $102.3K | 0.02% | 00.0% | Unchanged |
| Morgan Stanley | 49 | $501 | 0.00% | −19−27.9% | Reduced |
| UBS Group AG | 7 | $72 | 0.00% | −9,053−99.9% | Reduced |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |